6-in (15.2-cm) TCI TRICONE BIT – Supplied by Right Turn Supply in partnership with Smith Bits, this bit delivers superior drilling performance and extended cutter life. The IADC 637 tungsten carbide insert structure is designed for efficient cutting in fractured rock, cobble, and hard rock conditions. Featuring a 3.50-in API Reg pin connection, it ensures smooth integration, high reliability, and consistent performance across demanding HDD applications.